C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Yikes! 4+3 is stuck in reverse!!

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Old Dec 2, 2001 | 11:05 PM
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Default Yikes! 4+3 is stuck in reverse!!

I finally fired up my new 383 today. It's running great-->no error codes, no leaks, and it runs smoothly.:D It appears that I didn't buy very good wire splitloom. That stuff started melting like crazy half way thru the cam break-in time. Oh well, that's a minor problem.

The big problem is that the 4+3 transmission is stuck in reverse...sort of. I can shift into all 4 forward gears but if I start to let out the clutch the car goes no where and it ends up killing the engine. When the stick is in neutral the car is really in reverse! :eek: If you let the clutch out you start moving in reverse. Also I can't seem to actually move the shifter into the reverse gate. The transmission worked just fine when I took it out of the car a year and half ago. It's had oil in it the whole time but it obviously hasn't been driven in a while.

I can only imagine that the gearbox section of the 4+3 is screwed up. What do you guys think? Has this ever happened to you?
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Old Dec 2, 2001 | 11:17 PM
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Default Re: Yikes! 4+3 is stuck in reverse!! (jmr302)

Your problem could be in the shifter. Check the reverse arm on the shifter and the transmission and make sure they are positioned correctly. Good Luck
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Old Dec 2, 2001 | 11:24 PM
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Default Re: Yikes! 4+3 is stuck in reverse!! (jmr302)




[Modified by weekendwrench, 9:25 PM 12/2/2001]
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Old Dec 3, 2001 | 02:37 PM
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Default Re: Yikes! 4+3 is stuck in reverse!! (jmr302)

Yah I had that happen once. I was leaving a stop light one day, and when I went to shift into second the lever came straight back with no effort. I pulled over to the side of the road and tried to jimmy it into another gear by going into reverse and back. Once I put it into reverse though, that was it I couldn't get it back out.
It turned out to be broken shift linkage inside the transmission.:sad:
FYI, you can access the linkage without dropping the tranny by the using the access cover on the left side.
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Old Dec 4, 2001 | 11:05 AM
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Default Re: Yikes! 4+3 is stuck in reverse!! (mash557)

Looks like you called it, mash. I forgot that the reverse shift rod can be installed in two different positions, and I picked the wrong one. It works fine now. I guess this is what happens when you stretch a project out too long.
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Old Dec 4, 2001 | 09:07 PM
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Default Re: Yikes! 4+3 is stuck in reverse!! (jmr302)

Happy to be of assistance. I know your pain...mine has been apart since August or so. Rear suspension all over. So far only piece I can't lay my hands on is the bleeping exhaust clamp that goes in front of the converter. Gotta be in the garage somewhere. :rolleyes:


[Modified by mash557, 7:08 PM 12/4/2001]
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